Hy4 preview vs MiniMax M3.1 Flash: Specs & Benchmark Comparison
Hy4 preview is developed by Tencent, while MiniMax M3.1 Flash comes from MiniMax. Hy4 preview was released in August 2026, and MiniMax M3.1 Flash followed 2 months later in October 2026. Hy4 preview has a published size of about 770 billion parameters; MiniMax has not disclosed the parameter count of MiniMax M3.1 Flash.
The two models share 6 published benchmarks. MiniMax M3.1 Flash leads on 4 of them, Hy4 preview on 1. The widest gaps are on Agents' Last Exam, where MiniMax M3.1 Flash scores 29.6% against 22.8%; CyberGym, where MiniMax M3.1 Flash scores 82.2% against 78.4%. Averaged across everything we track, Hy4 preview sits at 58.7% and MiniMax M3.1 Flash at 56.4%.
MiniMax M3.1 Flash is available through an API at $0.15 per million input tokens with a 1M-token context window. We do not track a hosted API for Hy4 preview, so pricing and context cannot be compared directly.
| Characteristic | Hy4 preview | MiniMax M3.1 Flash |
|---|---|---|
| Company | Tencent | MiniMax |
| Release Date | August 28, 2026 | October 19, 2026 |
| Parameters | 770B | — |
| Multimodal | No | Yes |
| Context (input) | — | 1.0M |
| Context (output) | — | 524K |
| Input Price / 1M | — | $0.15 |
| Output Price / 1M | — | $0.60 |
| Average Score | 58.7% | 56.4% |
| Benchmarks | ||
| Agents' Last Exam | 22.8% | 29.6% |
| CyberGym | 78.4% | 82.2% |
| PostTrainBench | 35.6% | 39.3% |
| BankerToolBench | 78.6% | 76.2% |
| NL2Repo | 58.9% | 61.2% |
| Humanity's Last Exam (no tools, text-only) | 43.4% | 43.4% |
Visual Benchmark Comparison
Verdict
MiniMax M3.1 Flash leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Hy4 preview — 0.6, MiniMax M3.1 Flash — 0.6.
MiniMax M3.1 Flash is newer: released 10/19/2026 vs 8/28/2026.
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Frequently Asked Questions
Which is better for coding — Hy4 preview or MiniMax M3.1 Flash?
Which model is cheaper — Hy4 preview or MiniMax M3.1 Flash?
Which has a larger context window — Hy4 preview or MiniMax M3.1 Flash?
The Hy4 preview and MiniMax M3.1 Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Hy4 preview or MiniMax M3.1 Flash page. See also the complete list of AI model comparisons.